package com.atguigu.gulimail.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.exception.BizException;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 *  集中处理所有异常
 * @author Guo 2022/9/2 10:42:17
 */
@RestControllerAdvice(basePackages = "com.atguigu.gulimail.product.controller")
@Slf4j
public class GulimailExceptionAdvice {


    /**
     * 处理数据校验异常
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题:{},异常类型:{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError)->{
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMsg())
                .put("data",errorMap);
    }

    @ExceptionHandler(value = BizException.class)
    public R handleVaildException2(BizException throwable){
        log.error("数据校验出现问题:{},错误码:{},异常类型:{}",throwable.getMessage(),throwable.getCode(),throwable.getClass());
        log.error("错误：",throwable);
        return R.error(throwable.getCode(),throwable.getMsg());
    }


    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        log.error("错误：",throwable);
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }



}
